Corpus Linguistics and its Application in ELT

The use of corpus linguistics in ELT has become a new tendency.At the beginning,a historical retrospect is given to clarify the historical development of corpus linguistics.Afterwards,the various definitions of corpus linguistics are discussed in detail,and a personal perspective is put forward after citing the dispute about corpus linguistics.In the second place,the four criteria of a corpus are classified.Meanwhile,four characteristics of corpus linguistics are enumerated.In the last place,the oversea and domestic applications of corpus linguistics in ELT are listed,and Data-Driven Learning is presented as a typical example.